Key blank



FIG. 1 is a front elevational view of a key blank, showing my new design;

FIG. 2 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a sectional view taken along line 6--6 of FIG. 1;

FIG. 7 is an enlarged sectional view taken along line 7--7 of FIG. 1;

FIG. 8 is a front elevational view of a second embodiment of a key blank;

FIG. 9 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a top plan view thereof;

FIG. 12 is a bottom plan view thereof.

FIG. 13 is a sectional view taken along line 13--13 of FIG. 8;

FIG. 14 is an enlarged sectional view taken along line 14--14 of FIG. 8. 

The ornamental design for a key blank, substantially as shown and described. 